9 results
Blue nevus 
 - Dark blue-gray macule or papule 
 - Well-circumscribed 
 - Melanin localized
- Dark blue-gray ... or papule - Well-circumscribed ... #Blue #Nevus #Dermatology ... #Diagnosis #Benign ... #Clinical #Photo
Seborrheic keratosis 
 - Well-circumscribed, stuck-on appearance 
 - Waxy texture 
 - Verrucous surface
keratosis - Well-circumscribed ... Seborrheic #Keratosis #Dermatology ... #Diagnosis #Benign ... #Clinical #Photo
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Diagnosis? ... ca, squamous cell ... ca, pyoderma gangrenosum ... Blastomycosis #SkinRash #dermatology ... #clinical #photo
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... • Plasma cells ... Swelling notable on Xray ... drift of fingers, radial ... signs #symptoms #diagnosis
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... of inflammatory cells ... fingers, volar wrists ... Pyoderma gangrenosum ... #Dermatology
Pyoderma Gangrenosum in Ulcerative Colitis- ...left chest (Panel A) and leg (Panel B). The physical examination
Pyoderma Gangrenosum ... mixed inflammatory-cell ... A diagnosis of pyoderma ... second most common dermatologic ... #clinical #photo
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Lichen planus - Wrists ... scale • Basal cell ... skin • Squamous cell ... ; pruritis #dermatology ... #differential #diagnosis
Pyoderma Gangrenosum (PG)
50 M Crohn’s dz had a small pustule on the ankle 4 mo ago
Pyoderma Gangrenosum ... Diagnosis? ... neutrophils & T-cells ... #PG #clinical #photo ... #dermatology #ulcer
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
obstruction X-Ray ... SPB - commonly axial ... Diagnosis? ... EMD myeloma Diagnostic ... #Workup #Hematology